Please help me; )!!!!!!!!!!!!!

Mathematics

1 answer:

Vaselesa [24]3 years ago

5 0

To show how you decided, the simple way would be to draw a picture. Create 2 rectangles of the same length and divide them up according to the fraction. Then shade the number of pieces for the numerator and compare both fractions. Whichever is longer is the greater fraction.

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Round up 395,621 to the nearest ten thousand

jeyben [28]

396,000
because 5 goes up and anything lower than five stays the same

4 0

3 years ago

Find each measurement indicated. Round your answer as the nearest tenth. HELP PLEASE!!!!!! URGENT

MaRussiya [10]

Answer:

(1) length AB = 21.0

(2) length BC = 45.0

Step-by-step explanation:

(1) To determine AB, apply Cosine rule;

$|AB|^2 = |AC|^2 + |BC|^2 \ - \ 2[|AC| \times |BC]cos \ C\\\\|AB|^2 = 13^2 + 29^2 \ - \ 2(13 \times 29) cos(41)\\\\|AB|^2 = 1010 - 569.05\\\\|AB|^2 = 440.95\\\\|AB|= \sqrt{ 440.95} \\\\|AB| = 21.0$

(2) To determine BC, also apply cosine rule;

$|BC|^2 = |AB|^2 + |AC|^2 \ - \ 2[|AB| \times |AC]cos \ A\\\\|BC|^2 = 30^2 + 21^2 \ - \ 2(30 \times 21) cos(123)\\\\|BC|^2 = 1341 - (-686.245)\\\\|BC|^2 = 1341 + 686.245\\\\ |BC| = 2027.245\\\\|BC|= \sqrt{ 2027.245} \\\\|BC| = 45.0$

8 0

3 years ago

Three times r less than 15 equals 6 <br><br> Translate the sentence into and equation please help

Dimas [21]

$Three\ times\ r\ is \ 3r\\Three\ times\ r\ less\ than\ 15\ is\ 15-3r\\\\Equation:\\15-3r=6$

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3 years ago

The rectangular backboard of a basketball court needs to be assembled. Its area is given as 18,900 cm2 and the width as 1.8 m.

Klio2033 [76]

Answer:

The length of the backboard is 105 cm.

Step-by-step explanation:

You can find the length be dividing area/width. The area is 18,900 cm squared. The width is 1.8 meters or 180 cm. 18,900/180 = 105 cm. You can check by multiplying length by width, if you get the area, then the answer is correct.

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3 years ago

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lara [203]

The answer is 7. Since, .699 the 6 is greater than 5 so it goes up.

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3 years ago